Jewellery making glossary — the terms beginners meet first
Every craft has a language — here is the starter dictionary.
Twenty terms that cover 90% of beginner conversations.
Annealing — heat-softening work-hardened metal. Bezel — a metal
collar holding a stone. Cabochon — a domed, unfaceted stone.
Finding — manufactured components (clasps, ear-wires, jumps).
Gauge — wire thickness measure (bigger number = thinner wire).
Hallmark — stamped metal purity mark. Jump ring — a metal loop;
open/close with two pliers, never pull apart.
Karats (k) — gold purity ratio (24k pure, 18k = 75%).
Mandrel — a shaped former (ring/bracelet sizes).
Pickle — the acid bath cleaning fire oxide.
Pallion — a tiny chip of solder.
Raking light — low-angle light that reveals scratches.
Ream — enlarge/smooth a drill hole.
Sinter — metal particles fusing in metal-clay firing.
Sprue — the channel metal flows through in casting.
Tumble — machine-polishing with media.
Wax carving — sculpting jewellery in wax for casting.
Work-hardening — metal stiffening under hammer/bend (reset by
annealing).
Terms in context, in your hands — that is what the
experience classes and
course guide are for.
What students say
“I am using the skills in my everyday life and my spare time has become very productive.”
— Shirley M. (Philippines) · published student feedback
“I enjoyed fancy weaving because its something unusual and nice.”
— Nikoletta M. (Cyprus) · published student feedback
Free ways to explore
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The school's free gem-identification game.
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Short experience classes at JDMIS need no tools, no experience and no commitment — a single session gives you a real taste of the craft.
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